21551321 (number)

21551321 is an odd 8-digits composite number following 21551320 and preceding 21551322. In scientific notation, it is written as 2.1551321 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18916240 positive integers (up to 21551321) that are relatively prime to 21551321.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand three hundred twenty-one

Notation

Scientific notation 2.1551321 × 10^7
Engineering notation 2.1551321 × 10^6

Prime Factorization of 21551321

Prime Factorization 11 × 29 × 67559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551321
Product of the distinct prime numbers

The prime factorization of 21551321 is 11 × 29 × 67559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551321)

Multiplication

n×y
n×2 43102642
n×3 64653963
n×4 86205284
n×5 107756605

Division

n÷y
n÷2 10775660.5
n÷3 7183773.6666667
n÷3 5387830.25
n÷5 4310264.2

Exponentiation

ny
n2 464459436845041
n3 1.0009714414927E+22
n4 2.1572256847441E+29
n5 4.6491063201365E+36

Nth Root

y√n
2√n 4642.3400349393
3√n 278.28596163523
4√n 68.134719746538
5√n 29.288341458186

Divisors of 21551321

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551320
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551321 can be divided by 8 positive divisors. The sum of these divisors (counting 21551321) is 1, the average is 0.125.

Base conversion 21551321

Base System Value
2 Binary 1010010001101100011011001
3 Ternary 1111112220212002
4 Quaternary 1102031203121
5 Quinary 21004120241
6 Senary 2045530345
8 Octal 122154331
10 Decimal 21551321
12 Duodecimal 72739b5
16 Hexadecimal 148d8d9
20 Vigesimal 6edi61
36 Base36 ctx3t

Cryptographic Hash Functions

md5 4511f631cfc1cfbf83cc622aba3d2461
sha1 801975d27ef792d024a92f9c2fc71ab130b8084e
sha256 b7789a9c63942f7e0197d4bb60304732ab58f8e0eedc94104aac71b75d642929
sha512 f0639d0cbd2edff8fb0462791859999a09c66ffaeddde7fe9b087dbd135f900683db33f8de60643d47554c6794ee672703b149b5c4298765e11d67279bc839c5
ripemd-160 d06c7d04a5f4db7f7c084eb0d0743b5fb66e6fd6

21551321 as geometric shapes

Circle

Radius = n
Diameter 43102642
Circumference 135410943.45751
Area 1.4591423546828E+15

Sphere

Radius = n
Volume 4.1928593693954E+22
Surface area 5.8365694187313E+15
Circumference 135410943.45751

Square

Length = n
Perimeter 86205284
Area 464459436845041
Diagonal 30478170.445256

Cube

Length = n
Surface area 2786756621070246
Volume 1.0009714414927E+22
Space diagonal 37327982.942226

Equilateral Triangle

Length = n
Perimeter 64653963
Area 2.0111683566761E+14
Altitude 18663991.471113

Triangular Pyramid

Length = n
Surface area 2.0111683566761E+14
Volume 1.1796561567559E+21
Height 10159390.148419